Seven Robbers robbed a bank and hide the coins in a lonely place.
They decide to divide the money equally the next morning. Two greedy robbers decided to cheat the others and reach the place at night. They equally divided the coins between them, one coin left. So they called another robber and then they decided to divide equally among the three. Sadly again one coin left. The same thing happened to the 4th 5th and the 6th robber.
However, when the 7th robber reached in the morning, they can divide the coins equally.

How many coins were there in total?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

How many words can a pen with half refill write?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Can you count the number of quadrilaterals in the picture below?

There is a certain crime, that if it is attempted, is punishable, but if it is committed, is not punishable. What is the crime?

I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

Solve the mathematical equation in the picture below.